What is the difference between using the eraser tool in PS to sample continuously, sample once and sample the background swatch?

What is the difference between using the eraser tool in ps to sample continuously, sample once and sample the background swatch?

Start PhotoShop

1 Press F1 Help Manual.

2 Fill in the keyword sample in the search bar and click the search button.

3 Query using background eraser in the search results column on the left

4 At this time, the "Sampling" option will be displayed in the content area on the right:

Select "Sampling" options: "Continuous" takes color samples continuously as you drag; "Once" only erases the area containing the color you clicked for the first time; "Background Swatch" only erases the area containing the current background color.

Originally, I could give the answer directly, but after thinking about it, I would like to remind you: make more use of the help manual that comes with PhotoShop. The farthest distance in the world is not the end of the world, but it is right next to you without noticing it! What do "sampling: once" and "sampling: background color plate" in the PS color replacement tool mean respectively?

The question was not asked clearly.

Sampling is the color image of the area selected by your mouse

The background color palette is the color palette. Background color eraser What do tools and magic erasers do?

The background color eraser means to apply the background color to the front (foreground), while the magic eraser is to remove all the same color in the current layer. Photoshop background color eraser tool

Adjacent, only adjacent pixels will be erased

Discontinuous, non-adjacent images will also be erased

Query edges, and PS will erase everything except the edges. How to use the background color eraser tool?

Right-click on the eraser toolbar and select the background eraser. The effect of erasing is to display the color of the underlying layer in the erased area without displaying the foreground or background color.

Can anyone tell me what the eraser tool, background eraser tool, and magic eraser tool in PS do? Is it the background color?

First of all, you need to know that the gray grid l in PS means 1, which is the real "no color transparent". The other colors you see must be the colors of one of your o layers. - - It seems a bit difficult to understand. In addition, the "Magic Eraser Tool" can erase pixels that are similar to the color where the mouse clicks. When erasing a normal layer with locked transparent pixels, the erased area will display the background color of the current toolbox. When erasing the background layer or normal layer, the erased area c will display 0 transparently. Therefore, according to the characteristics of the Magic Eraser tool, you will definitely see a "transparent" effect after erasing. Finally, there is an introduction to several properties of the Magic Eraser: "Tolerance" determines the accuracy of the color range of the erased image. The larger the value, the larger the erasing range, but the erased image The rougher the image. "Anti-aliasing" can produce a smoother edge transition effect when erasing images. "Nearby", at this time, the pixels that are similar to and connected to the s mouse landing point will be erased. On the contrary, z will erase all pixels that are similar in color to the w mouse landing point. "Apply to w all layers", this will erase pixels in all layers with similar colors to the mouse landing point of 3 and v, and reverse 3 to q, which only works on the current working layer i. "Opacity" determines the transparency effect of the erased area. I hope it can help you, :) fbite¤nplエhr毛taㄤgcō－Tai photoshop 6.0 The background color eraser tool cannot be found

Click and hold the eraser tool, and one will appear. A small box with a background color eraser inside. What do the background eraser tool and the magic eraser tool do?

Background eraser: When erasing the background layer, it will automatically convert the background layer into a normal layer, and the erased part will be transparent. The background eraser has the same effect as the eraser when used on other layers.

Magic Eraser: With the setting of tolerance, similar colors can be automatically erased. The only thing it has in common with the background eraser is that it automatically converts the background layer into a normal layer. The erased part is transparent. When erasing other layers, it has the same effect as an eraser. ? Can I ask for the specific usage of the eraser tool in PS?

Eraser Tool: Claims "touch" is used to erase images. What you erase on a background layer is directly related to the background color; on a normal layer you erase the transparent grid (there's nothing). If you click Erase to History in the property bar, it is equivalent to the function of the History Brush (restore operation for saved files). Operation skills: Press ALT=History Brush for the eraser tool. About the use of the eraser tool in PS 1. The "Eraser Tool" in the PS Tool Bar (1), (2) When the eraser tool on the toolbar is turned on, the expansion tool suite pops up with three tools: "Eraser Tool", "Background Color Eraser Tool" and "Magic Eraser Tool".

1. You can also select the "Eraser Tool" on the toolbar or press "e" on the keyboard (because the shortcut key for eraser is e on the keyboard). Its function is to erase a certain part that is not needed. If you want to erase the background layer, the erased part will show the background color you set (for example, if the background color is red, the erased part will also be red). If it is set to a normal layer, you can After double-clicking the layer, a new layer dialog box will appear. Click it and it will become a normal layer. The erased part will become a transparent area (i.e., mosaic-like). 2. Look at the property bar of the "Eraser Tool": (1) You can set the size of the "Eraser Tool" and its hardness; (2) Mode: There are three modes: "Brush", "Pencil" and "Block". If you select "Brush", the edge will appear soft. You can also change the hardness of the "Brush". If you select "Pencil", the erased edge will appear sharp; if you select "Brush", then an eraser will appear. It will turn into a square and the wheel will turn; (3) When using the "Opacity" after "Brush" in "Eraser Tool" "Mode", if you use "Eraser" when adding another picture to the original picture Tool" can erase 100% of the back image when the "Opacity" is set to 100%. If the "Opacity" is set to 50%, the entire image cannot be erased and the effect will be transparent. 2. The background color eraser tool in the PS tool bar: 1. Use the "background color eraser tool". The object to be erased is the color touched by the center point of the mouse. If you place the mouse on a certain point of the picture, The position of the displayed eraser head changes to the color that the center point of the mouse touches. If the center point of the mouse touches another color on the picture, the "background color" will also change accordingly; 2. "Background Color Eraser Tool" Attribute bar: (1) There are three options for the sampling item: "Continuous", "Once" and "Background Color Version". If "Continuous" is selected, the color touched by the center point of the mouse while holding down the mouse. (2) If you select "Once", only the color you touch for the first time will be erased when you hold down the mouse. If you pass through different colors, the color will not be erased. It will be erased unless you click another color. (3) If you select "Background Color Version", only the background color and the set color will be erased. If the background color is set to yellow, The foreground color is set to green. For example, the background of the picture is blue, and the picture is yellow, which is the same color as the background color setting. Then we put the mouse on the blue, but the blue color is not erased, only the slide The mouse will be erased if it passes through the yellow *** area on the picture and the background color is the same; 3. Limitations of the "Background Eraser Tool" in the column: There are also three choices for the limit: "Not connected", "Adjacent" and "Query edge"; (1) "Discontinuous": Use the brush tool to draw a closed line on the screen and then select the eraser tool. Select "discontinuous" and define it as continuous within the sample. For example, we define the eraser The eraser head is enlarged to cover the color inside a closed line drawn. When we click the eraser tool, we find that the color covered around the center point of the mouse has been erased; (2) For example, we select "Adjacent", click the mouse again and you will find that the color of the mouse area has been erased, but the color outside the line has not been erased. This is how to use disconnected and adjacent; (3) If you use "Query Edge" : Use the mouse to click on the edge of the color contact and we find that only the color at the edge is erased and the other colors are not; (4) "Tolerance" and "Protect Foreground Color": If "Protect Foreground Color" If the "Attachment" box is not checked, if the foreground color is set to yellow, fill a color block with the foreground color on the picture, then uncheck the box in front of Protect the foreground color, and then select the background eraser tool to erase the image. Color: At this time, we find that all the places where the mouse passes have been erased. If the protect foreground color is checked, we find that all the places where the mouse passes have been erased, but the image set with the foreground color has not. This is the function of "protecting the foreground color". (5) "Tolerance": The "Tolerance" value mainly sets the mouse erasure range. The higher the "Tolerance", the greater the erasure range; 3. The Magic Eraser tool in the PS tool bar: 1 . The "Magic Eraser Tool" is similar to the "Magic Wand Tool" in the toolbar. The "Magic Wand Tool" is used to select colors. You can change its "Tolerance" to select color blocks in different ranges, such as in the picture There are two colors: blue and yellow. We can see that the "Tolerance" value is 32. Click on the picture with the mouse and the blue area will be erased. Click on the yellow area and it will also be erased. , this is the use of the magic eraser tool; 2. "Anti-aliasing" and "Proximity": For example: if you do not check "Proximity", just click on the yellow color, and the entire yellow color will be erased; 3. Used for "all layers": If there are multiple layers on the image, if we check it, it can use the "Eraser Tool" on multiple layers. If unchecked, it will only modify the current layer; 4. And also can change its transparency.

4. Specific operations for using the PS "Eraser Tool" to create composite pictures: 1. Prepare two pictures (one is a photo of a person and one is a picture); 2. Open the PS software; 3. Click "File" -----"Open"------Select to upload a picture to the picture window-----"Crop the picture"-----"Double-click" the "lock" on the right side of the layer background-- ---Pop up the "New Layer" dialog box-----Click "OK"; 4. Click on the "Eraser Tool" in the toolbar-----Select "Among the three tools in the pop-up expansion kit" "Eraser Tool"-----Click on the "Brush" in the property bar-----Pull the slider to select the pattern you like-----Increase the main diameter; 5. Determine the image to be inserted Then use the "Eraser Tool" to click on the position of another picture (portrait) to make it completely transparent; 6. Click "File"-----"Open"-----Select to upload one Put the photo or picture into the window-----Click the "Move Tool" and drag the picture or photo onto the first picture (at this time the layer displays two layers)-----Use the mouse to drag the " After clicking the blue button on "Layer 1", hold down and drag "Layer 1" to the lower 1/2 of "Layer 0" and release your hand (put Layer 1 below Layer 0); 7. After finding the picture or photo of "Layer 1", place the picture or photo in the pattern that was erased by the eraser on the first picture and gradually adjust the position; 8. Save: Click "File"-----"Save "Format used by the web"-----a dialog box (large box) will appear------Default: "gif" format--check "Tick" before transparency----"Color"" 256"----"-Dither" "100%"-----Other presets----Finally click "Save"------Another dialog box "Save optimization results as" will appear. Box-----Write the "file name" of the picture-----Save type as "gif"------Other defaults------Click "Save"--- --If another dialogue box pops up, click "OK" 5. The notes are changed from the tutorial voice to text content. You can compare them at the same time during review to understand the main content of the voice, master the use of tools in time, and create more. Interesting pictures. If there are any mistakes in the article, please correct them in time or ask the teacher. In PS, can you use the magic eraser to directly erase the background color? (Just like using the ordinary eraser tool, the erased color will be the background color directly) < /p>

No, it will only be transparent after rubbing, unless there is a layer of background color underneath.